Ohtsuka; Kyoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohtsuka; Kyoichi.The latest application filed is for "electromagnetic device and switching device using same".
- Ohtsuka; Kyoichi - Tokyo N/A JP
- Ohtsuka; Kyoichi - Chiyoda-ku JP
| Patent | Date |
|---|---|
| Solenoid operated device Grant 9,368,294 - Ohtsuka , et al. June 14, 2 | 2016-06-14 |
| Electromagnetic device and switching device using same Grant 9,293,243 - Kim , et al. March 22, 2 | 2016-03-22 |
| Gas insulated switchgear Grant 9,215,825 - Sano , et al. December 15, 2 | 2015-12-15 |
| Dead tank vacuum circuit breaker Grant 9,136,674 - Ohtsuka , et al. September 15, 2 | 2015-09-15 |
| Electromagnetic Device And Switching Device Using Same App 20150022297 - Kim; Taehyun ; et al. | 2015-01-22 |
| Solenoid Operated Device App 20130214886 - Ohtsuka; Kyoichi ; et al. | 2013-08-22 |
| Gas Insulated Switchgear App 20130155640 - Sano; Koji ; et al. | 2013-06-20 |
| Gas insulated breaking device Grant 8,314,355 - Nagao , et al. November 20, 2 | 2012-11-20 |
| Dead Tank Vacuum Circuit Breaker App 20120160810 - Ohtsuka; Kyoichi ; et al. | 2012-06-28 |
| Operating device that performs opening and closing operations of a switch Grant 8,207,804 - Ohtsuka , et al. June 26, 2 | 2012-06-26 |
| Gas Insulated Breaking Device App 20120012558 - NAGAO; Eiichi ; et al. | 2012-01-19 |
| Operating Device App 20100164659 - OHTSUKA; Kyoichi ; et al. | 2010-07-01 |
| Gas insulated breaking device App 20060260678 - Nagao; Eiichi ; et al. | 2006-11-23 |
| Switchgear operating apparatuses Grant 6,610,949 - Mori , et al. August 26, 2 | 2003-08-26 |
| Switchgear operating apparatuses App 20030034242 - Mori, Tomohito ; et al. | 2003-02-20 |
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